68866564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 139881280

約数和(自身を除く): 71014716

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1621, 1634, 2236, 3242, 3268, 6484, 10621, 21073, 21242, 30799, 42146, 42484, 61598, 69703, 84292, 123196, 139406, 278812, 400387, 800774, 906139, 1324357, 1601548, 1812278, 2648714, 3624556, 5297428, 17216641, 34433282, 68866564]

約数ペア:

[(1, 68866564), (2, 34433282), (4, 17216641), (13, 5297428), (19, 3624556), (26, 2648714), (38, 1812278), (43, 1601548), (52, 1324357), (76, 906139), (86, 800774), (172, 400387), (247, 278812), (494, 139406), (559, 123196), (817, 84292), (988, 69703), (1118, 61598), (1621, 42484), (1634, 42146), (2236, 30799), (3242, 21242), (3268, 21073), (6484, 10621)]